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193049019161 is a prime number
BaseRepresentation
bin1011001111001010011…
…1100100001100011001
3200110021220210021100122
42303302213210030121
511130331022103121
6224404022243025
716642635405515
oct2636247441431
9613256707318
10193049019161
1174965158439
12314b7886475
131528721a06b
1494b4c85145
15504d0de5ab
hex2cf29e4319

193049019161 has 2 divisors, whose sum is σ = 193049019162. Its totient is φ = 193049019160.

The previous prime is 193049019143. The next prime is 193049019173. The reversal of 193049019161 is 161910940391.

193049019161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183132643600 + 9916375561 = 427940^2 + 99581^2 .

It is a cyclic number.

It is not a de Polignac number, because 193049019161 - 234 = 175869149977 is a prime.

It is not a weakly prime, because it can be changed into another prime (193049019131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96524509580 + 96524509581.

It is an arithmetic number, because the mean of its divisors is an integer number (96524509581).

Almost surely, 2193049019161 is an apocalyptic number.

It is an amenable number.

193049019161 is a deficient number, since it is larger than the sum of its proper divisors (1).

193049019161 is an equidigital number, since it uses as much as digits as its factorization.

193049019161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 193049019161 in words is "one hundred ninety-three billion, forty-nine million, nineteen thousand, one hundred sixty-one".